--- /dev/null
+
+#ifndef _DRM_API_H_
+#define _DRM_API_H_
+
+struct pipe_screen;
+struct pipe_winsys;
+struct pipe_context;
+
+struct drm_api
+{
+ /**
+ * Special buffer function
+ */
+ /*@{*/
+ struct pipe_screen* (*create_screen)(int drmFB, int pciID);
+ struct pipe_context* (*create_context)(struct pipe_screen *screen);
+ /*@}*/
+
+ /**
+ * Special buffer function
+ */
+ /*@{*/
+ struct pipe_buffer* (*buffer_from_handle)(struct pipe_winsys *winsys, const char *name, unsigned handle);
+ unsigned (*handle_from_buffer)(struct pipe_winsys *winsys, struct pipe_buffer *buffer);
+ /*@}*/
+};
+
+/**
+ * A driver needs to export this symbol
+ */
+extern struct drm_api drm_api_hocks;
+
+#endif
--- /dev/null
+TARGET = libegldrm.a
+CFILES = $(wildcard ./*.c)
+OBJECTS = $(patsubst ./%.c,./%.o,$(CFILES))
+GALLIUMDIR = ../..
+TOP = ../../../..
+
+include ${TOP}/configs/current
+
+CFLAGS += -g -Wall -Werror=implicit-function-declaration -fPIC \
+ $(shell pkg-config --cflags pixman-1 xorg-server) \
+ -I${GALLIUMDIR}/include \
+ -I${GALLIUMDIR}/auxiliary \
+ -I${TOP}/src/mesa/drivers/dri/common \
+ -I${TOP}/src/mesa \
+ -I$(TOP)/include \
+ -I$(TOP)/src/egl/main \
+ ${LIBDRM_CFLAGS}
+
+#############################################
+
+.PHONY = all clean
+
+all: ${TARGET}
+
+${TARGET}: ${OBJECTS}
+ ar rcs $@ $^
+
+clean:
+ rm -rf ${OBJECTS} ${TARGET}
--- /dev/null
+
+#include "utils.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "egl_tracker.h"
+
+#include "egllog.h"
+
+
+#include "pipe/p_context.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_winsys.h"
+
+#include "state_tracker/st_public.h"
+#include "state_tracker/drm_api.h"
+
+#include "GL/internal/glcore.h"
+
+#define need_GL_ARB_multisample
+#define need_GL_ARB_point_parameters
+#define need_GL_ARB_texture_compression
+#define need_GL_ARB_vertex_buffer_object
+#define need_GL_ARB_vertex_program
+#define need_GL_ARB_window_pos
+#define need_GL_EXT_blend_color
+#define need_GL_EXT_blend_equation_separate
+#define need_GL_EXT_blend_func_separate
+#define need_GL_EXT_blend_minmax
+#define need_GL_EXT_cull_vertex
+#define need_GL_EXT_fog_coord
+#define need_GL_EXT_framebuffer_object
+#define need_GL_EXT_multi_draw_arrays
+#define need_GL_EXT_secondary_color
+#define need_GL_NV_vertex_program
+#include "extension_helper.h"
+
+/**
+ * TODO HACK! FUGLY!
+ * Copied for intel extentions.
+ */
+const struct dri_extension card_extensions[] = {
+ {"GL_ARB_multisample", GL_ARB_multisample_functions},
+ {"GL_ARB_multitexture", NULL},
+ {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions},
+ {"GL_ARB_texture_border_clamp", NULL},
+ {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions},
+ {"GL_ARB_texture_cube_map", NULL},
+ {"GL_ARB_texture_env_add", NULL},
+ {"GL_ARB_texture_env_combine", NULL},
+ {"GL_ARB_texture_env_dot3", NULL},
+ {"GL_ARB_texture_mirrored_repeat", NULL},
+ {"GL_ARB_texture_rectangle", NULL},
+ {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions},
+ {"GL_ARB_pixel_buffer_object", NULL},
+ {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions},
+ {"GL_ARB_window_pos", GL_ARB_window_pos_functions},
+ {"GL_EXT_blend_color", GL_EXT_blend_color_functions},
+ {"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions},
+ {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions},
+ {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions},
+ {"GL_EXT_blend_subtract", NULL},
+ {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions},
+ {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions},
+ {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
+ {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions},
+ {"GL_EXT_packed_depth_stencil", NULL},
+ {"GL_EXT_pixel_buffer_object", NULL},
+ {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions},
+ {"GL_EXT_stencil_wrap", NULL},
+ {"GL_EXT_texture_edge_clamp", NULL},
+ {"GL_EXT_texture_env_combine", NULL},
+ {"GL_EXT_texture_env_dot3", NULL},
+ {"GL_EXT_texture_filter_anisotropic", NULL},
+ {"GL_EXT_texture_lod_bias", NULL},
+ {"GL_3DFX_texture_compression_FXT1", NULL},
+ {"GL_APPLE_client_storage", NULL},
+ {"GL_MESA_pack_invert", NULL},
+ {"GL_MESA_ycbcr_texture", NULL},
+ {"GL_NV_blend_square", NULL},
+ {"GL_NV_vertex_program", GL_NV_vertex_program_functions},
+ {"GL_NV_vertex_program1_1", NULL},
+ {"GL_SGIS_generate_mipmap", NULL },
+ {NULL, NULL}
+};
+
+EGLContext
+drm_create_context(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list)
+{
+ struct drm_device *dev = (struct drm_device *)drv;
+ struct drm_context *ctx;
+ struct drm_context *share = NULL;
+ struct st_context *st_share = NULL;
+ _EGLConfig *conf;
+ int i;
+ __GLcontextModes *visual;
+
+ conf = _eglLookupConfig(drv, dpy, config);
+ if (!conf) {
+ _eglError(EGL_BAD_CONFIG, "eglCreateContext");
+ return EGL_NO_CONTEXT;
+ }
+
+ for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
+ switch (attrib_list[i]) {
+ /* no attribs defined for now */
+ default:
+ _eglError(EGL_BAD_ATTRIBUTE, "eglCreateContext");
+ return EGL_NO_CONTEXT;
+ }
+ }
+
+ ctx = (struct drm_context *) calloc(1, sizeof(struct drm_context));
+ if (!ctx)
+ goto err_c;
+
+ _eglInitContext(drv, dpy, &ctx->base, config, attrib_list);
+
+ ctx->pipe = drm_api_hocks.create_context(dev->screen);
+ if (!ctx->pipe)
+ goto err_pipe;
+
+ if (share)
+ st_share = share->st;
+
+ visual = drm_visual_from_config(conf);
+ ctx->st = st_create_context(ctx->pipe, visual, st_share);
+ drm_visual_modes_destroy(visual);
+
+ if (!ctx->st)
+ goto err_gl;
+
+ /* generate handle and insert into hash table */
+ _eglSaveContext(&ctx->base);
+ assert(_eglGetContextHandle(&ctx->base));
+
+ return _eglGetContextHandle(&ctx->base);
+
+err_gl:
+ ctx->pipe->destroy(ctx->pipe);
+err_pipe:
+ free(ctx);
+err_c:
+ return EGL_NO_CONTEXT;
+}
+
+EGLBoolean
+drm_destroy_context(_EGLDriver *drv, EGLDisplay dpy, EGLContext context)
+{
+ struct drm_context *c = lookup_drm_context(context);
+ _eglRemoveContext(&c->base);
+ if (c->base.IsBound) {
+ c->base.DeletePending = EGL_TRUE;
+ } else {
+ st_destroy_context(c->st);
+ c->pipe->destroy(c->pipe);
+ free(c);
+ }
+ return EGL_TRUE;
+}
+
+EGLBoolean
+drm_make_current(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext context)
+{
+ struct drm_surface *readSurf = lookup_drm_surface(read);
+ struct drm_surface *drawSurf = lookup_drm_surface(draw);
+ struct drm_context *ctx = lookup_drm_context(context);
+ EGLBoolean b;
+
+ b = _eglMakeCurrent(drv, dpy, draw, read, context);
+ if (!b)
+ return EGL_FALSE;
+
+ if (ctx) {
+ if (!drawSurf || !readSurf)
+ return EGL_FALSE;
+
+ drawSurf->user = ctx;
+ readSurf->user = ctx;
+
+ st_make_current(ctx->st, drawSurf->stfb, readSurf->stfb);
+
+ /* st_resize_framebuffer needs a bound context to work */
+ st_resize_framebuffer(drawSurf->stfb, drawSurf->w, drawSurf->h);
+ st_resize_framebuffer(readSurf->stfb, readSurf->w, readSurf->h);
+ } else {
+ drawSurf->user = NULL;
+ readSurf->user = NULL;
+
+ st_make_current(NULL, NULL, NULL);
+ }
+
+ return EGL_TRUE;
+}
--- /dev/null
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "egl_tracker.h"
+
+#include "egllog.h"
+
+#include "pipe/p_inlines.h"
+
+#include "state_tracker/drm_api.h"
+
+/*
+ * Util functions
+ */
+
+static struct drm_mode_modeinfo *
+drm_find_mode(drmModeConnectorPtr connector, _EGLMode *mode)
+{
+ int i;
+ struct drm_mode_modeinfo *m = NULL;
+
+ for (i = 0; i < connector->count_modes; i++) {
+ m = &connector->modes[i];
+ if (m->hdisplay == mode->Width && m->vdisplay == mode->Height && m->vrefresh == mode->RefreshRate)
+ break;
+ m = &connector->modes[0]; /* if we can't find one, return first */
+ }
+
+ return m;
+}
+
+static struct st_framebuffer *
+drm_create_framebuffer(const __GLcontextModes *visual,
+ unsigned width,
+ unsigned height,
+ void *priv)
+{
+ enum pipe_format colorFormat, depthFormat, stencilFormat;
+
+ if (visual->redBits == 5)
+ colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
+ else
+ colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
+
+ if (visual->depthBits == 16)
+ depthFormat = PIPE_FORMAT_Z16_UNORM;
+ else if (visual->depthBits == 24)
+ depthFormat = PIPE_FORMAT_S8Z24_UNORM;
+ else
+ depthFormat = PIPE_FORMAT_NONE;
+
+ if (visual->stencilBits == 8)
+ stencilFormat = PIPE_FORMAT_S8Z24_UNORM;
+ else
+ stencilFormat = PIPE_FORMAT_NONE;
+
+ return st_create_framebuffer(visual,
+ colorFormat,
+ depthFormat,
+ stencilFormat,
+ width,
+ height,
+ priv);
+}
+
+/*
+ * Exported functions
+ */
+
+void
+drm_takedown_shown_screen(_EGLDriver *drv, struct drm_screen *screen)
+{
+ struct drm_device *dev = (struct drm_device *)drv;
+
+ screen->surf = NULL;
+
+ drmModeSetCrtc(
+ dev->drmFD,
+ screen->crtcID,
+ 0, // FD
+ 0, 0,
+ NULL, 0, // List of output ids
+ NULL);
+
+ drmModeRmFB(dev->drmFD, screen->fbID);
+ drmModeFreeFB(screen->fb);
+ screen->fb = NULL;
+
+ pipe_buffer_reference(dev->screen, &screen->buffer, NULL);
+
+ screen->shown = 0;
+}
+
+EGLSurface
+drm_create_window_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list)
+{
+ return EGL_NO_SURFACE;
+}
+
+
+EGLSurface
+drm_create_pixmap_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list)
+{
+ return EGL_NO_SURFACE;
+}
+
+
+EGLSurface
+drm_create_pbuffer_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
+ const EGLint *attrib_list)
+{
+ int i;
+ int width = -1;
+ int height = -1;
+ struct drm_surface *surf = NULL;
+ __GLcontextModes *visual;
+ _EGLConfig *conf;
+
+ conf = _eglLookupConfig(drv, dpy, config);
+ if (!conf) {
+ _eglError(EGL_BAD_CONFIG, "eglCreatePbufferSurface");
+ return EGL_NO_CONTEXT;
+ }
+
+ for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
+ switch (attrib_list[i]) {
+ case EGL_WIDTH:
+ width = attrib_list[++i];
+ break;
+ case EGL_HEIGHT:
+ height = attrib_list[++i];
+ break;
+ default:
+ _eglError(EGL_BAD_ATTRIBUTE, "eglCreatePbufferSurface");
+ return EGL_NO_SURFACE;
+ }
+ }
+
+ if (width < 1 || height < 1) {
+ _eglError(EGL_BAD_ATTRIBUTE, "eglCreatePbufferSurface");
+ return EGL_NO_SURFACE;
+ }
+
+ surf = (struct drm_surface *) calloc(1, sizeof(struct drm_surface));
+ if (!surf)
+ goto err;
+
+ if (!_eglInitSurface(drv, dpy, &surf->base, EGL_PBUFFER_BIT, config, attrib_list))
+ goto err_surf;
+
+ surf->w = width;
+ surf->h = height;
+
+ visual = drm_visual_from_config(conf);
+ surf->stfb = drm_create_framebuffer(visual,
+ width,
+ height,
+ (void*)surf);
+ drm_visual_modes_destroy(visual);
+
+ _eglSaveSurface(&surf->base);
+ return surf->base.Handle;
+
+err_surf:
+ free(surf);
+err:
+ return EGL_NO_SURFACE;
+}
+
+EGLSurface
+drm_create_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg,
+ const EGLint *attrib_list)
+{
+ EGLSurface surf = drm_create_pbuffer_surface(drv, dpy, cfg, attrib_list);
+
+ return surf;
+}
+
+EGLBoolean
+drm_show_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy,
+ EGLScreenMESA screen,
+ EGLSurface surface, EGLModeMESA m)
+{
+ struct drm_device *dev = (struct drm_device *)drv;
+ struct drm_surface *surf = lookup_drm_surface(surface);
+ struct drm_screen *scrn = lookup_drm_screen(dpy, screen);
+ _EGLMode *mode = _eglLookupMode(dpy, m);
+ size_t pitch = 2048 * 4;
+ size_t size = mode->Height * pitch;
+ int ret;
+ unsigned int i, k;
+ void *ptr;
+
+ if (scrn->shown)
+ drm_takedown_shown_screen(drv, scrn);
+
+ scrn->buffer = pipe_buffer_create(dev->screen,
+ 0, /* alignment */
+ PIPE_BUFFER_USAGE_GPU_READ_WRITE |
+ PIPE_BUFFER_USAGE_CPU_READ_WRITE,
+ size);
+
+ if (!scrn->buffer)
+ return EGL_FALSE;
+
+ ptr = pipe_buffer_map(dev->screen, scrn->buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
+ memset(ptr, 0xFF, size);
+ pipe_buffer_unmap(dev->screen, scrn->buffer);
+
+ scrn->handle = drm_api_hocks.handle_from_buffer(dev->winsys, scrn->buffer);
+
+ ret = drmModeAddFB(dev->drmFD, mode->Width, mode->Height,
+ 32, 32, pitch,
+ scrn->handle,
+ &scrn->fbID);
+
+ if (ret)
+ goto err_bo;
+
+ scrn->fb = drmModeGetFB(dev->drmFD, scrn->fbID);
+ if (!scrn->fb)
+ goto err_bo;
+
+ /* find a fitting crtc */
+ {
+ drmModeConnector *con = scrn->connector;
+
+ scrn->mode = drm_find_mode(con, mode);
+ if (!scrn->mode)
+ goto err_fb;
+
+ for (k = 0; k < con->count_encoders; k++) {
+ drmModeEncoder *enc = drmModeGetEncoder(dev->drmFD, con->encoders[k]);
+ for (i = 0; i < dev->res->count_crtcs; i++) {
+ if (enc->possible_crtcs & (1<<i)) {
+ /* save the ID */
+ scrn->crtcID = dev->res->crtcs[i];
+
+ /* skip the rest */
+ i = dev->res->count_crtcs;
+ k = dev->res->count_encoders;
+ }
+ }
+ drmModeFreeEncoder(enc);
+ }
+ }
+
+ ret = drmModeSetCrtc(dev->drmFD,
+ scrn->crtcID,
+ scrn->fbID,
+ 0, 0,
+ &scrn->connectorID, 1,
+ scrn->mode);
+
+ if (ret)
+ goto err_crtc;
+
+ surf->screen = scrn;
+ scrn->surf = surf;
+
+ scrn->shown = 1;
+
+ return EGL_TRUE;
+
+err_crtc:
+ scrn->crtcID = 0;
+
+err_fb:
+ drmModeRmFB(dev->drmFD, scrn->fbID);
+ drmModeFreeFB(scrn->fb);
+ scrn->fb = NULL;
+
+err_bo:
+ pipe_buffer_reference(dev->screen, &scrn->buffer, NULL);
+
+ return EGL_FALSE;
+}
+
+EGLBoolean
+drm_destroy_surface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
+{
+ struct drm_surface *surf = lookup_drm_surface(surface);
+ _eglRemoveSurface(&surf->base);
+ if (surf->base.IsBound) {
+ surf->base.DeletePending = EGL_TRUE;
+ } else {
+ if (surf->screen)
+ drm_takedown_shown_screen(drv, surf->screen);
+ st_unreference_framebuffer(surf->stfb);
+ free(surf);
+ }
+ return EGL_TRUE;
+}
+
+EGLBoolean
+drm_swap_buffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw)
+{
+ struct drm_surface *surf = lookup_drm_surface(draw);
+ struct pipe_surface *back_surf;
+
+ if (!surf)
+ return EGL_FALSE;
+
+ /* error checking */
+ if (!_eglSwapBuffers(drv, dpy, draw))
+ return EGL_FALSE;
+
+ back_surf = st_get_framebuffer_surface(surf->stfb,
+ ST_SURFACE_BACK_LEFT);
+
+ if (back_surf) {
+
+ st_notify_swapbuffers(surf->stfb);
+
+ if (surf->screen) {
+ /* TODO stuff here */
+ }
+
+ st_notify_swapbuffers_complete(surf->stfb);
+ }
+
+ return EGL_TRUE;
+}
--- /dev/null
+
+#include "utils.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "egl_tracker.h"
+
+#include "egllog.h"
+#include "state_tracker/drm_api.h"
+
+#include "pipe/p_screen.h"
+#include "pipe/p_winsys.h"
+
+/** HACK */
+void* driDriverAPI;
+extern const struct dri_extension card_extensions[];
+
+
+/*
+ * Exported functions
+ */
+
+/**
+ * The bootstrap function. Return a new drm_driver object and
+ * plug in API functions.
+ */
+_EGLDriver *
+_eglMain(_EGLDisplay *dpy, const char *args)
+{
+ struct drm_device *drm;
+
+ drm = (struct drm_device *) calloc(1, sizeof(struct drm_device));
+ if (!drm) {
+ return NULL;
+ }
+
+ /* First fill in the dispatch table with defaults */
+ _eglInitDriverFallbacks(&drm->base);
+ /* then plug in our Drm-specific functions */
+ drm->base.API.Initialize = drm_initialize;
+ drm->base.API.Terminate = drm_terminate;
+ drm->base.API.CreateContext = drm_create_context;
+ drm->base.API.MakeCurrent = drm_make_current;
+ drm->base.API.CreateWindowSurface = drm_create_window_surface;
+ drm->base.API.CreatePixmapSurface = drm_create_pixmap_surface;
+ drm->base.API.CreatePbufferSurface = drm_create_pbuffer_surface;
+ drm->base.API.DestroySurface = drm_destroy_surface;
+ drm->base.API.DestroyContext = drm_destroy_context;
+ drm->base.API.CreateScreenSurfaceMESA = drm_create_screen_surface_mesa;
+ drm->base.API.ShowScreenSurfaceMESA = drm_show_screen_surface_mesa;
+ drm->base.API.SwapBuffers = drm_swap_buffers;
+
+ drm->base.ClientAPIsMask = EGL_OPENGL_BIT /*| EGL_OPENGL_ES_BIT*/;
+ drm->base.Name = "DRM/Gallium/Win";
+
+ /* enable supported extensions */
+ drm->base.Extensions.MESA_screen_surface = EGL_TRUE;
+ drm->base.Extensions.MESA_copy_context = EGL_TRUE;
+
+ return &drm->base;
+}
+
+static void
+drm_get_device_id(struct drm_device *device)
+{
+ char path[512];
+ FILE *file;
+
+ /* TODO get the real minor */
+ int minor = 0;
+
+ snprintf(path, sizeof(path), "/sys/class/drm/card%d/device/device", minor);
+ file = fopen(path, "r");
+ if (!file) {
+ _eglLog(_EGL_WARNING, "Could not retrive device ID\n");
+ return;
+ }
+
+ fgets(path, sizeof( path ), file);
+ sscanf(path, "%x", &device->deviceID);
+ fclose(file);
+}
+
+static void
+drm_update_res(struct drm_device *dev)
+{
+ drmModeFreeResources(dev->res);
+ dev->res = drmModeGetResources(dev->drmFD);
+}
+
+static void
+drm_add_modes_from_connector(_EGLScreen *screen, drmModeConnectorPtr connector)
+{
+ struct drm_mode_modeinfo *m;
+ int i;
+
+ for (i = 0; i < connector->count_modes; i++) {
+ m = &connector->modes[i];
+ _eglAddNewMode(screen, m->hdisplay, m->vdisplay, m->vrefresh, m->name);
+ }
+}
+
+EGLBoolean
+drm_initialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor)
+{
+ _EGLDisplay *disp = _eglLookupDisplay(dpy);
+ struct drm_device *dev = (struct drm_device *)drv;
+ struct drm_screen *screen = NULL;
+ drmModeConnectorPtr connector = NULL;
+ drmModeResPtr res = NULL;
+ unsigned count_connectors = 0;
+ int num_screens = 0;
+ EGLint i;
+ int fd;
+
+ fd = drmOpen("i915", NULL);
+ if (fd < 0)
+ goto err_fd;
+
+ dev->drmFD = fd;
+ drm_get_device_id(dev);
+
+ dev->screen = drm_api_hocks.create_screen(dev->drmFD, dev->deviceID);
+ if (!dev->screen)
+ goto err_screen;
+ dev->winsys = dev->screen->winsys;
+
+ /* TODO HACK */
+ driInitExtensions(NULL, card_extensions, GL_FALSE);
+
+ drm_update_res(dev);
+ res = dev->res;
+ if (res)
+ count_connectors = res->count_connectors;
+ else
+ _eglLog(_EGL_WARNING, "Could not retrive kms information\n");
+
+ for(i = 0; i < count_connectors && i < MAX_SCREENS; i++) {
+ connector = drmModeGetConnector(fd, res->connectors[i]);
+
+ if (!connector)
+ continue;
+
+ if (connector->connection != DRM_MODE_CONNECTED) {
+ drmModeFreeConnector(connector);
+ continue;
+ }
+
+ screen = malloc(sizeof(struct drm_screen));
+ memset(screen, 0, sizeof(*screen));
+ screen->connector = connector;
+ screen->connectorID = connector->connector_id;
+ _eglInitScreen(&screen->base);
+ _eglAddScreen(disp, &screen->base);
+ drm_add_modes_from_connector(&screen->base, connector);
+ dev->screens[num_screens++] = screen;
+ }
+ dev->count_screens = num_screens;
+
+ /* for now we only have one config */
+ _EGLConfig *config = calloc(1, sizeof(*config));
+ memset(config, 1, sizeof(*config));
+ _eglInitConfig(config, 1);
+ _eglSetConfigAttrib(config, EGL_RED_SIZE, 8);
+ _eglSetConfigAttrib(config, EGL_GREEN_SIZE, 8);
+ _eglSetConfigAttrib(config, EGL_BLUE_SIZE, 8);
+ _eglSetConfigAttrib(config, EGL_ALPHA_SIZE, 8);
+ _eglSetConfigAttrib(config, EGL_BUFFER_SIZE, 32);
+ _eglSetConfigAttrib(config, EGL_DEPTH_SIZE, 24);
+ _eglSetConfigAttrib(config, EGL_STENCIL_SIZE, 8);
+ _eglSetConfigAttrib(config, EGL_SURFACE_TYPE, EGL_PBUFFER_BIT);
+ _eglAddConfig(disp, config);
+
+ drv->Initialized = EGL_TRUE;
+
+ *major = 1;
+ *minor = 4;
+
+ return EGL_TRUE;
+
+err_screen:
+ drmClose(fd);
+err_fd:
+ return EGL_FALSE;
+}
+
+EGLBoolean
+drm_terminate(_EGLDriver *drv, EGLDisplay dpy)
+{
+ struct drm_device *dev = (struct drm_device *)drv;
+ struct drm_screen *screen;
+ int i = 0;
+
+ drmFreeVersion(dev->version);
+
+ for (i = 0; i < dev->count_screens; i++) {
+ screen = dev->screens[i];
+
+ if (screen->shown)
+ drm_takedown_shown_screen(drv, screen);
+
+ drmModeFreeConnector(screen->connector);
+ _eglDestroyScreen(&screen->base);
+ dev->screens[i] = NULL;
+ }
+
+ dev->screen->destroy(dev->screen);
+ dev->winsys = NULL;
+
+ drmClose(dev->drmFD);
+
+ _eglCleanupDisplay(_eglLookupDisplay(dpy));
+ free(dev);
+
+ return EGL_TRUE;
+}
--- /dev/null
+
+#ifndef _EGL_TRACKER_H_
+#define _EGL_TRACKER_H_
+
+#include <stdint.h>
+
+#include "eglconfig.h"
+#include "eglcontext.h"
+#include "egldisplay.h"
+#include "egldriver.h"
+#include "eglglobals.h"
+#include "eglmode.h"
+#include "eglscreen.h"
+#include "eglsurface.h"
+
+#include "xf86drm.h"
+#include "xf86drmMode.h"
+
+#include "pipe/p_compiler.h"
+
+#include "state_tracker/st_public.h"
+
+#define MAX_SCREENS 16
+
+struct pipe_winsys;
+struct pipe_screen;
+struct pipe_context;
+struct state_tracker;
+
+struct drm_screen;
+struct drm_context;
+
+struct drm_device
+{
+ _EGLDriver base; /* base class/object */
+
+ /*
+ * pipe
+ */
+
+ struct pipe_winsys *winsys;
+ struct pipe_screen *screen;
+
+ /*
+ * drm
+ */
+
+ int drmFD;
+ drmVersionPtr version;
+ int deviceID;
+
+ drmModeResPtr res;
+
+ struct drm_screen *screens[MAX_SCREENS];
+ size_t count_screens;
+};
+
+struct drm_surface
+{
+ _EGLSurface base; /* base class/object */
+
+ /*
+ * pipe
+ */
+
+
+ struct st_framebuffer *stfb;
+
+ /*
+ * drm
+ */
+
+ struct drm_context *user;
+ struct drm_screen *screen;
+
+ int w;
+ int h;
+};
+
+struct drm_context
+{
+ _EGLContext base; /* base class/object */
+
+ /* pipe */
+
+ struct pipe_context *pipe;
+ struct st_context *st;
+};
+
+struct drm_screen
+{
+ _EGLScreen base;
+
+ /*
+ * pipe
+ */
+
+ struct pipe_buffer *buffer;
+
+ /*
+ * drm
+ */
+
+ /* buffer handle */
+ int handle;
+
+ /* currently only support one connector */
+ drmModeConnectorPtr connector;
+ uint32_t connectorID;
+
+ /* Has this screen been shown */
+ int shown;
+
+ /* Surface that is currently attached to this screen */
+ struct drm_surface *surf;
+
+ /* framebuffer */
+ drmModeFBPtr fb;
+ uint32_t fbID;
+
+ /* crtc and mode used */
+ /*drmModeCrtcPtr crtc;*/
+ uint32_t crtcID;
+
+ struct drm_mode_modeinfo *mode;
+};
+
+
+static INLINE struct drm_context *
+lookup_drm_context(EGLContext context)
+{
+ _EGLContext *c = _eglLookupContext(context);
+ return (struct drm_context *) c;
+}
+
+
+static INLINE struct drm_surface *
+lookup_drm_surface(EGLSurface surface)
+{
+ _EGLSurface *s = _eglLookupSurface(surface);
+ return (struct drm_surface *) s;
+}
+
+static INLINE struct drm_screen *
+lookup_drm_screen(EGLDisplay dpy, EGLScreenMESA screen)
+{
+ _EGLScreen *s = _eglLookupScreen(dpy, screen);
+ return (struct drm_screen *) s;
+}
+
+/**
+ * egl_visual.h
+ */
+/*@{*/
+void drm_visual_modes_destroy(__GLcontextModes *modes);
+__GLcontextModes* drm_visual_modes_create(unsigned count, size_t minimum_size);
+__GLcontextModes* drm_visual_from_config(_EGLConfig *conf);
+/*@}*/
+
+/**
+ * egl_surface.h
+ */
+/*@{*/
+void drm_takedown_shown_screen(_EGLDriver *drv, struct drm_screen *screen);
+/*@}*/
+
+/**
+ * All function exported to the egl side.
+ */
+/*@{*/
+EGLBoolean drm_initialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor);
+EGLBoolean drm_terminate(_EGLDriver *drv, EGLDisplay dpy);
+EGLContext drm_create_context(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list);
+EGLBoolean drm_destroy_context(_EGLDriver *drv, EGLDisplay dpy, EGLContext context);
+EGLSurface drm_create_window_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list);
+EGLSurface drm_create_pixmap_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list);
+EGLSurface drm_create_pbuffer_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list);
+EGLSurface drm_create_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg, const EGLint *attrib_list);
+EGLBoolean drm_show_screen_surface_mesa(_EGLDriver *drv, EGLDisplay dpy, EGLScreenMESA screen, EGLSurface surface, EGLModeMESA m);
+EGLBoolean drm_destroy_surface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface);
+EGLBoolean drm_make_current(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext context);
+EGLBoolean drm_swap_buffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw);
+/*@}*/
+
+#endif
--- /dev/null
+
+#include "egl_tracker.h"
+
+#include "egllog.h"
+
+void
+drm_visual_modes_destroy(__GLcontextModes *modes)
+{
+ _eglLog(_EGL_DEBUG, "%s", __FUNCTION__);
+
+ while (modes) {
+ __GLcontextModes * const next = modes->next;
+ free(modes);
+ modes = next;
+ }
+}
+
+__GLcontextModes *
+drm_visual_modes_create(unsigned count, size_t minimum_size)
+{
+ /* This code copied from libGLX, and modified */
+ const size_t size = (minimum_size > sizeof(__GLcontextModes))
+ ? minimum_size : sizeof(__GLcontextModes);
+ __GLcontextModes * head = NULL;
+ __GLcontextModes ** next;
+ unsigned i;
+
+ _eglLog(_EGL_DEBUG, "%s %d %d", __FUNCTION__, count, minimum_size);
+
+ next = & head;
+ for (i = 0 ; i < count ; i++) {
+ *next = (__GLcontextModes *) calloc(1, size);
+ if (*next == NULL) {
+ drm_visual_modes_destroy(head);
+ head = NULL;
+ break;
+ }
+
+ (*next)->doubleBufferMode = 1;
+ (*next)->visualID = GLX_DONT_CARE;
+ (*next)->visualType = GLX_DONT_CARE;
+ (*next)->visualRating = GLX_NONE;
+ (*next)->transparentPixel = GLX_NONE;
+ (*next)->transparentRed = GLX_DONT_CARE;
+ (*next)->transparentGreen = GLX_DONT_CARE;
+ (*next)->transparentBlue = GLX_DONT_CARE;
+ (*next)->transparentAlpha = GLX_DONT_CARE;
+ (*next)->transparentIndex = GLX_DONT_CARE;
+ (*next)->xRenderable = GLX_DONT_CARE;
+ (*next)->fbconfigID = GLX_DONT_CARE;
+ (*next)->swapMethod = GLX_SWAP_UNDEFINED_OML;
+ (*next)->bindToTextureRgb = GLX_DONT_CARE;
+ (*next)->bindToTextureRgba = GLX_DONT_CARE;
+ (*next)->bindToMipmapTexture = GLX_DONT_CARE;
+ (*next)->bindToTextureTargets = 0;
+ (*next)->yInverted = GLX_DONT_CARE;
+
+ next = & ((*next)->next);
+ }
+
+ return head;
+}
+
+__GLcontextModes *
+drm_visual_from_config(_EGLConfig *conf)
+{
+ __GLcontextModes *visual;
+ (void)conf;
+
+ visual = drm_visual_modes_create(1, sizeof(*visual));
+ visual->redBits = 8;
+ visual->greenBits = 8;
+ visual->blueBits = 8;
+ visual->alphaBits = 8;
+
+ visual->rgbBits = 32;
+ visual->doubleBufferMode = 1;
+
+ visual->depthBits = 24;
+ visual->haveDepthBuffer = visual->depthBits > 0;
+ visual->stencilBits = 8;
+ visual->haveStencilBuffer = visual->stencilBits > 0;
+
+ return visual;
+}
projects / mesa.git / commitdiff